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AssigneeThe Procter & Gamble Company
InventorsKapilanjan Krishan, Jie Zhang, Siew Lay Lim, Wei Peng Goh, Aung Ko Ko Kyaw, Yi-Luen Ellen Do, Ranasinghe Arachchilage Nimesha Ranasinghe, Shienny Karwita Tailan, David Lewis Alexander Tolley, Ragavan Kalatharan, Xin Liu, Ning Xue, Chee Keong Michael Ho, Ee Lim Tan, Jingjing Lan
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Disclosed herein is a comb sensor for measuring combing resistance, wherein the comb sensor comprises: a comb or brush comprising a handle, a head connected to the handle, and teeth connected to the head; and a bend sensor located on at least one of the teeth, to measure the bending of the one of the teeth. The present invention provides improved sensitivity and/or detailed measurement result.
A comb sensor for measuring combing resistance, wherein the comb sensor comprises:
The comb sensor of any of the preceding claims, wherein the comb sensor further comprises a location sensor to measure a location of the comb sensor.
The comb sensor of any of the preceding claims, wherein the bend sensors are located on at least two teeth, preferably at least three teeth, more preferably at least five teeth.
The comb sensor of any of the preceding claims, wherein the bend sensors are located on the root sides of the teeth which are close to their connections to the head.
The comb sensor of any of the preceding claims, wherein the root side of the teeth is made by a material or a structure by which the root side bends more than tip side of the teeth.
The comb sensor of any of the preceding claims, wherein the sensor to measure a bending of the tooth is selected from the group consisting of a strain sensor, stress sensor, optical sensor, transistor, location sensor, and mixtures thereof, preferably a strain sensor.
The comb sensor of any of the preceding claims, wherein the fiber is natural or artificial human hair.
Dependencies are inferred from the claim text.